Slurry pump selection is based on the premise that the production process of liquid throughput (traffic), the requirement of gear head, and liquid properties, operating conditions, location and so on

一, traffic is to choose one of the important performance basis of slurry pump, it is directly related to the production capacity of the entire unit. In the production process design, process or finished goods delivery requirements from liquid, there is always a design flow is given, it is coordinated with capacity balance.

In production in addition, we also have to understand the flow range and the minimum flow and maximum flow rate, and as a result of the process parameters in the process of adjustment, to adapt to different materials, different volume flow may change the amount of product requirements.

In a word, such as process design can give a slurry pump, minimum, maximum three normal traffic, and the maximum flow is included all the above factors, can choose a slurry pump is based on the maximum flow. When not give the maximum flow, usually should be 1.1 times the landscape of the normal flow as the basis.

二, head is needed for the head unit system, is another important performance of slurry pump. It can be according to the specific arrangement of piping system, between the container pressure calculation for process conditions. Resistance losses to overcome the liquid flow in the system of frictional resistance and the energy consumption, it includes the slurry pump suction side and discharge side liquid in straight pipe flows along the path loss and flow through the valve, elbow, the sum of import, export and other local losses, and the size of the diameter, the length of the line, material, liquid viscosity, severe, velocity of flow. Number of specifications, pipe fittings and so on a series of related conditions.

To point out is, choose for slurry pump head should be paid attention to the minimum suction surface and the highest liquid height, want to leave allowance at the same time, and take the system of lift 1.1 times, as the selection basis.

三, the nature of the liquid, including the name of the liquid medium, physical properties and chemical properties. Physical properties (mean temperature, severe, viscosity, the diameter of the solid particles and the content, the content of the gas) involves the system such as head, effective NPSH, or allow the suction height etc. Meter Bi out suitable slurry pump type, such as choose light slurry pump or heavy slurry pump, closed or open impeller impeller, or half began to impeller. Chemical properties mainly refers to the chemical corrosion performance of medium or toxicity, it is to think about materials and should choose which kind of slurry pump shaft seal type of important basis.

四, device and system piping layout condition refers to send liquid height, distance, direction, the minimum liquid level and discharge side suction side of the most high level and pipe specifications, materials, pipe specifications, quantity, etc., in order to systematically head and NPSH checking calculation.  五, the operation of the liquid temperature, the saturation vapor pressure, discharge pressure in the suction side of the container (absolute), lateral pressure container (atmospheric pressure), environmental temperature, clearance or continuous operation, the position of the slurry pump is fixed or mobile, or often move and so on.